What kinds of homes are in San Castle, FL?

Name: Types of homes in San Castle, FL, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

San Castle, FL has 1,061 (±218) homes (2020–2024 American Community Survey).

That is about 2,526 homes per square mile of land.

77.0% are detached single-family houses.

19.4% are in buildings of two to four units.

0.0% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,061 (±218)
Detached houses: 77.0%
2–4 unit buildings: 19.4%
5+ unit buildings: 0.0%

Homes in San Castle by building size

Housing units by units in structure, 2020–2024
Building type	San Castle	Palm Beach County	Florida	United States
Single-family, detached	77.0% (±10.2 points)	45.5%	54.7%	61.3%
Single-family, attached (townhouse, rowhouse)	3.7% (±4.6 points)	11.5%	6.7%	6.2%
2 units	9.0% (±9.5 points)	2.6%	2.0%	3.4%
3 or 4 units	10.4% (±6.9 points)	6.2%	3.9%	4.3%
5 to 9 units	0.0% (±4.8 points)	6.3%	4.7%	4.5%
10 to 19 units	0.0% (±4.8 points)	6.0%	5.4%	4.3%
20 or more units	0.0% (±4.8 points)	19.1%	14.4%	10.3%
Mobile home	0.0% (±4.8 points)	2.8%	8.0%	5.6%
Boat, RV, van, etc.	0.0% (±4.8 points)	0.1%	0.2%	0.1%

In San Castle, the share of homes in buildings of five or more units is lower than in Palm Beach County (31.4%).

It is also lower than in Florida (24.5%).

It is lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near San Castle

Nearest places with a published estimate, compared with San Castle
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
San Castle	—	0.0% (±8.3 points)	—
Hypoluxo	0.6 mi	51.5% (±9.1 points)	Higher
Manalapan	1.3 mi	27.9% (±10.6 points)	Higher
Lantana	1.3 mi	37.9% (±5.8 points)	Higher
South Palm Beach	2.3 mi	98.0% (±6.4 points)	Higher
Ocean Ridge	2.5 mi	48.1% (±8.6 points)	Higher
Seminole Manor	2.8 mi	0.0% (±9.9 points)	Not measurably different
Boynton Beach	2.8 mi	36.8% (±2.4 points)	Higher
Atlantis	3.5 mi	15.0% (±5.0 points)	Higher

Nearby places with a measurably higher figure: Hypoluxo, FL (51.5%), Manalapan, FL (27.9%), Lantana, FL (37.9%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes in buildings of 5 or more units across Palm Beach County, place by place

Rank	Place	Homes in buildings of 5 or more units
40 (tie)	Kenwood Estates	0.0% (±18.5 points)
40 (tie)	Lake Belvedere Estates	0.0% (±13.5 points)
40 (tie)	Limestone Creek	0.0% (±22.5 points)
40 (tie)	Loxahatchee Groves	0.0% (±6.9 points)
40 (tie)	Pine Air	0.0% (±13.5 points)
40 (tie)	Plantation Mobile Home Park	0.0% (±27.2 points)
40 (tie)	San Castle	0.0% (±8.3 points)
40 (tie)	Seminole Manor	0.0% (±9.9 points)
40 (tie)	Watergate	0.0% (±7.4 points)
40 (tie)	Westlake	0.0% (±6.1 points)

Showing 10 of 54 places in Palm Beach County, ranked from highest to lowest.

San Castle is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about San Castle

How many homes are in San Castle?

San Castle, FL has an estimated 1,061 (±218) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in San Castle houses or apartments?

77.0% are detached houses and 3.7% attached houses, while 19.4% are in buildings of two or more units.

How many two-family and small multifamily homes are in San Castle?

19.4% of homes in San Castle are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — San Castle CDP, Florida

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for San Castle CDP, Florida (place:63435, in state:12).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.